Alert archive / California / Freeze Warnings

Freeze Warnings in California, 2011

46 freeze warnings in 2011. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of freeze warnings reaches back to 2005.

Freeze Warnings by county

Each county as a circle sized by its count in 2011. Tap one for its archive.

Freeze Warnings
46
Busiest month
December26 freeze warnings
Busiest day
December 5, 20116 freeze warnings

Over time

By month

The alerts

Every alert, in the order issued. Times are local, Pacific Time. Each opens its own page with the text, the map, the radar and the sounding.

IssuedProductOfficeCountiesLasted
Feb 1, 3:21 AM PSTFreeze WarningPSR54 hr
Feb 2, 3:26 AM PSTFreeze WarningPSR54 hr
Feb 2, 1:59 PM PSTFreeze WarningSGXRiverside19 hr
Feb 3, 9:28 AM PSTFreeze WarningSGXRiverside24 hr
Feb 19, 9:19 PM PSTFreeze WarningSTO9 hr
Feb 25, 3:10 AM PSTFreeze WarningMTRMarin, Napa, Sonoma29 hr
Feb 25, 9:05 PM PSTFreeze WarningSTO12 hr
Feb 26, 3:05 AM PSTFreeze WarningHNX30 hr
Feb 26, 5:40 AM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 1 more26 hr
Apr 7, 2:16 PM PDTFreeze WarningEKA19 hr
Apr 30, 3:21 AM PDTFreeze WarningMFRSiskiyou30 hr
Aug 31, 1:42 PM PDTFreeze WarningMFRModoc, Siskiyou19 hr
Oct 24, 3:32 AM PDTFreeze WarningMFRSiskiyou29 hr
Oct 25, 3:18 AM PDTFreeze WarningMFRSiskiyou30 hr
Oct 25, 2:04 PM PDTFreeze WarningMFRSiskiyou43 hr
Nov 1, 3:41 PM PDTFreeze WarningEKA12 hr
Nov 7, 3:45 AM PSTFreeze WarningLOX29 hr
Nov 7, 1:00 PM PSTFreeze WarningHNX19 hr
Nov 8, 3:54 AM PSTFreeze WarningLOXSanta Barbara29 hr
Nov 9, 1:56 PM PSTFreeze WarningLOX7 hr
Dec 2, 5:27 PM PSTFreeze WarningLOXSanta Barbara16 hr
Dec 3, 9:07 AM PSTFreeze WarningLOXSanta Barbara24 hr
Dec 3, 9:13 AM PSTFreeze WarningHNX24 hr
Dec 3, 9:18 PM PSTFreeze WarningMTRMonterey11 hr
Dec 4, 2:02 PM PSTFreeze WarningHNX19 hr
Dec 4, 9:40 PM PSTFreeze WarningLOX11 hr
Dec 5, 12:02 AM PSTFreeze WarningMTRMonterey8 hr
Dec 5, 2:56 AM PSTFreeze WarningMTRMarin, Monterey, Napa, Sonoma30 hr
Dec 5, 2:58 AM PSTFreeze WarningSTO30 hr
Dec 5, 12:53 PM PSTFreeze WarningHNX20 hr
Dec 5, 3:30 PM PSTFreeze WarningLOX18 hr
Dec 6, 3:54 AM PSTFreeze WarningMTRMonterey29 hr
Dec 6, 12:58 PM PSTFreeze WarningHNX20 hr
Dec 6, 2:26 PM PSTFreeze WarningVEFSan Bernardino18 hr
Dec 6, 2:33 PM PSTFreeze WarningLOX18 hr
Dec 6, 2:38 PM PSTFreeze WarningSTO18 hr
Dec 14, 3:02 AM PSTFreeze WarningMTRMarin, Napa, Sonoma6 hr
Dec 16, 3:36 AM PSTFreeze WarningHNX7 hr
Dec 21, 2:03 PM PSTFreeze WarningMTRMarin, Napa, Sonoma9 hr
Dec 22, 3:04 AM PSTFreeze WarningHNX6 days
Dec 22, 1:51 PM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more19 hr
Dec 22, 2:40 PM PSTFreeze WarningLOX18 hr
Dec 23, 3:49 AM PSTFreeze WarningLOX29 hr
Dec 23, 1:10 PM PSTFreeze WarningSGXRiverside, San Bernardino, San Diego8 hr
Dec 23, 1:33 PM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 3 more19 hr
Dec 24, 1:13 PM PSTFreeze WarningMTRAlameda, Contra Costa, Marin, Monterey, Napa, San Benito and 2 more20 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

  1. December 5, 20116freeze warnings
  2. December 6, 20115freeze warnings
  3. February 26, 20113freeze warnings
  4. December 3, 20113freeze warnings
  5. December 22, 20113freeze warnings
  6. December 23, 20113freeze warnings
  7. February 2, 20112freeze warnings
  8. October 25, 20112freeze warnings
  9. November 7, 20112freeze warnings
  10. December 4, 20112freeze warnings
  11. February 1, 20111freeze warnings
  12. February 3, 20111freeze warnings

Nearby

Alerts in force nowTornadoes on recordThe radar archive20102012

Sources

National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Warning verification from the Mesonet's Cow. Rebuilt daily.